The Shark NeverChange (or if you’re in the UK, the NeverChange5) is an air purifier with a difference, thanks to the washable outer filters, which, in theory, will extend the life of the HEPA filter to five years. As well as this, it has the novelty of scented purifying thanks its Odor Neutralizing Technology, which is in essence a fragranced cartridge that fits into the top of the purifier.
I tested one out to see how it compares the rest of the best air purifiers on the market. It’s quiet and easy to use, but while there were noticeable improvements to the air quality, its lack of air quality tracking and inability to detect smaller particles or volatile organic compounds meant that it wasn’t efficient in clearing the air or reducing odors when left to its own devices. Read on for my full review of the Shark NeverChange below.
Shark NeverChange review: price & availability
- List price: $249.99 / £249.99
- Available now in the US and UK; not available in Australia
At $249.99 / £249.99, the Shark NeverChange isn’t a budget air purifier. It’s available for purchase in the US and the UK via the Shark website and Amazon; but it’s not currently sold in Australia. It’s sold under two different product names – the Shark NeverChange Air Purifier HP152 in the US, and Shark NeverChange5 Air Purifier HP150UK in the UK.
The Shark NeverChange air purifier doesn’t have a companion app, which is often offered by cheaper alternatives. The potential $300 / £200 saving from longer-lasting filters and the innovative odor-control cartridges could explain the higher price; but unfortunately, these don’t make up for the Shark NeverChange’s somewhat lackluster performance overall.
- Value for money score: 3 out of 5
Shark NeverChange review specs
| Price | $249.99 / £249.99 |
| Dimensions | 9 x 10 x 15 inches / 237 x 266 x 385mm |
| Weight | 7lb / 3.4kg |
| Room coverage | Up to 650sq ft / 60sq m, or 300sq ft / 12sq m, dependent on settings |
| Fan speed | Auto, 1 – 4 |
| Filters | DebrisDefence / Medium Particle / Activated Carbon / NanoSeal HEPA |
| Stated filter replacement | 5 years |
| Controls | Touch panel |
| Additional features | Anti-Odor Technology |
Shark NeverChange review: design
- Anti-Odor technology
- HEPA filters last up to 5 years
- No handles
There were several comments made around the office regarding the Shark NeverChange Air Purifier’s looks. Some likened it to a futuristic plant pot, others a waste paper bin, and one of my teammates thought it looked more like an explosive device from a sci-fi game. The NeverChange isn’t the most unattractive appliance in the world, but Shark doesn’t appear to have been concerned about the NeverChange blending in. It has a space-age aesthetic about it, with two round LED screens – one on the top, and the other on the front – and an angular shape thanks to the extra filters that live on the sides of the purifier’s body.
For this review, I tested the UK version, which is available in white. The US version is available in charcoal gray. The shoulders of the air purifier body are a bit of a dust-magnet, and the gloss-black LED screen on the top panel also attracts dust and fibers, as does the black plastic grate on which it sits.
On a positive note, the setup process was quick and simple. Before powering the air purifier on, the HEPA filter first needed to be removed from its plastic bag. The NeverChange was easy to turn over as it is lightweight, and the locking mechanism felt sturdy but was easy to undo. Once the filter had been replaced, it was just a case of plug-and-play.
The size of the Shark NeverChange is neither oversized nor subtle. It’s about the size of a large plant pot, measuring 9 x 10 x 15 inches / 237 x 266 x 385mm, and it weighs around 7lbs / 3.4kg.
Sitting on the top of the air purifier is the circular control panel, which was responsive and simple to use. From here, I could adjust the fan speed, or engage Auto mode, which is supposed to adjust the fan speed based on real-time air quality. For peace of mind, there’s a child lock and a shut-off timer. The status of air purity and the life remaining on the dust filters are available via the information button.
The Anti-Odor dial and cartridge came packaged inside a cardboard box and a ring-pull tin can, which is a good solution for sealing in the fragrance while remaining recyclable. The cartridge and dial housing were easy to unpack and install. To set the intensity of the fragrance, I just needed to twist the dial counterclockwise until it was at the desired setting.
Due to its size and shape, the lack of handles on this air purifier proved frustrating. At first glance, there appear to be some on either side; but these are in fact the DebrisDefence filters. These pull out easily for cleaning, so I wouldn’t recommend using them as handles. There are holes near the base that are also tempting to use to pick the purifier up, but these are only made of thin plastic and aren’t comfortable to hold.
The LED display’s brightness could be altered using a button on the control panel, which I could cycle between three different intensities. The brightest setting was easy to see in both daylight and indoor lighting, but when using the NeverChange at bedtime, I found the dimmest light setting wasn’t ideal. While it worked well to dim the display, the bright blue ring indicating the air quality was over 85% wasn’t good for sleep hygiene purposes. The only other option was to have the LED displays off completely, which I doubt will be an issue for most, but isn’t ideal if you want to keep an eye on air purity readings overnight.
Shark NeverChange review: features
- Long-lasting filters
- Dust filter monitor incorrect
- No app support
The standout feature of the Shark NeverChange is undoubtedly the potential longevity of the HEPA filter. This is achievable thanks to the additional mesh DebrisDefence filters located on either side of the HEPA filter; these are washable, so they’re essentially reusable barriers that take some of the strain off of the HEPA filter. Thanks to this feature, Shark claims it’s possible to save up to $300 / £200 in replacement filter costs over five years.
Another unique feature is the ‘Odor Neutralizer Technology’. This one of this brand’s USPs, and also appears in today’s best Shark vacuums. Technically, it’s designed to remove bad odors rather than create a fragrance per se, and it takes the form of a lightly scented puck, which is inserted into the top of the air purifier. The intensity of the fragrance / neutralization can be easily adjusted by twisting the canister using the integrated handle.
The fragrance of the odor-neutralizer canister is pleasant enough; it reminds me of a subtle masculine aftershave. It helps keep things fresh, but I think I’d prefer if Shark embraced the scent side of things a bit more, and offered some different options, such as a linen or floral scent.
The Shark NeverChange can purify up to 650sq ft / 60sq m in one hour.
The ambient air is monitored by the air purifier’s Clean Sense IQ, which is supposed to automatically react to changes in the environment – an increase or decrease in dust, pollen, and smoke levels, for example. However, it cannot detect or relay humidity, temperature, carbon dioxide, or volatile organic compounds (VOCs) like some air purifiers can. The NeverChange filter does contain activated carbon, though, which by nature is supposed to absorb VOCs, so these should still be filtered out.
The Dust Filter Life button didn’t seem to do much. Having used the Shark NeverChange for only a short time, it would just say “check dust filters” when pressed; but the dust filters were clean. I tried pulling them out and replacing them a couple of times, but it made no difference.
It’s disappointing that there’s no app support with the Shark NeverChange. You have to be physically close enough to the unit to view the reading or change the settings, which can be inconvenient. Plus, this is unhelpful for tracking the air quality throughout the day and night. This lack of app and Bluetooth connectivity is surprising, since cheaper air purifiers such as the Levoit 300S offer near-live air quality data and remote control of the settings.
- Features score: 3.5 out of 5
Shark NeverChange review: performance
- Unreliable IAQ readings
- Did not tackle odors
- Filtered dust and aerosol during testing
It’s hard to say for certain how well an air purifier works without some scientific testing, but I tested the Shark NeverChange in different environments and considered its reactions when presented with dust and dry shampoo.
I’ll start by saying that I had a major niggle with this purifier. That niggle was that the NeverChange seemed to be overly optimistic with its readings. The air-quality readings were 100% most of the time, and when this figure did drop slightly on occasion, the different particle readings still read as 0. I struggle to believe that there are no dust particles in our busy office or in my home – and, since I live in the countryside, there will most certainly be pollen in the air, so I wasn’t impressed by this lack of particle detection.
I performed a direct comparison with the Welov P200 Pro in the TechRadar reviews office. The NeverChange maintained that all particle readings were at 0; however, the Welov P200 Pro gave a reading of 10 PM2.5 – particles such as dust or pollen, which the NeverChange is supposed to detect and respond to.
We wanted to be sure that the purifier was actually capable of detecting contaminants, to ensure that it wasn’t a faulty unit. To do this, we took it outside and placed it directly behind my car’s exhaust pipe. I can confirm that it had no problem detecting the drop in air quality here, as one would hope it would! At least now I knew that it wasn’t stuck on 100%, which I’d noticed some consumers claiming in their reviews.
The main issue with the reading sitting at 100% is that when the purifier is in Auto mode, with a reading of 100% for more than five minutes, the Eco feature puts into standby. While I welcome this energy-saving feature, when the purifier seemed convinced the air quality was always 100%, it rarely did anything without manual intervention.
When we introduced dust into the atmosphere around the Shark NeverChange, by repeatedly kicking up the corner of a rug in one of our testing rooms, it took the unit around 40 seconds to register it. The unit dropped the reading to 92%, leading the fan to increase to speed 2. Since the fan was running at a low speed, volume levels didn’t rise too much; however, it took several minutes for the air quality to return to the 96% it started on. This was slower than the Welov P200 Pro, which – although far noisier – purified the air to pre-dust levels in around a minute.
I also sprayed dry shampoo near the sensor on the back of the NeverChange to test it. This rise in airborne particulate matter was detected within seconds, dropping the air quality on the LED screen to 81% and showing the red indicator ring to communicate that the air quality was poor. The purifier automatically upped the fan speed to level 3, returning a reading of 100% within two minutes.
Experimenting further to see how the NeverChange would deal with cooking smells, I microwaved a BBQ calzone (don’t judge me) with the air purifier set to Auto mode; it made no difference to the level of odor. I then left the purifier on the highest fan setting for a few hours – again, the odor in the room remained unchanged. Apart from the strange overlapping scent of the fragrance canister from the NeverChange, which actually just made the smell more unpleasant.
I tried leaving the NeverChange on Auto when I went to bed. When the reading occasionally dropped under 100%, the unit would kick up to fan speed level 2, the noise from which made it more difficult to fall asleep. So I manually set it to fan speed 1 instead; this wasn’t the end of the world, as at least this would guarantee that the purifier wouldn’t go into Eco mode overnight. Thankfully, on the lowest fan speed, the NeverChange was pleasingly quiet and din’t disturb my sleep. On waking, the air in my bedroom felt fresh, and I noticed that I had been less snuffly than usual, which made a nice change.
Using a decibel meter on my iPhone 12 Pro, I recorded the quietest fan speed at 38dB, which is comparable to light rain. Fan speed 3 was 55dB, a sound level similar to a dishwasher; the highest fan speed was 68dB, the same as the noise of traveling in a car at 60mph.
- Performance score: 2.5 out of 5
Should I buy the Shark NeverChange?
| Section | Notes | Score |
|---|---|---|
| Value for money | There are cheaper options out there that have app connectivity and better detection features, but if you want a purifier to manually set and leave to do its thing without constant filter changes, this could be suitable. | 3/5 |
| Design | It looks like a futuristic plant pot and can be a struggle to move around, but the LED panels are clear and easy to read. | 4/5 |
| Features | This purifier has some innovative features in the DebrisDefence filters and the Anti-Odor cartridge; but it loses points for its lack of Bluetooth connectivity and app support. | 3.5/5 |
| Performance | While I appreciated the improvement in air quality when used overnight, it did not appear to monitor the air quality accurately, rendering Auto mode somewhat useless. | 2.5/5 |
Buy it if…
Don’t buy it if…
Shark NeverChange review: Also consider
| Shark NeverChange | Levoit Core 300S | Dyson Purifier Cool Autoreact | |
|---|---|---|---|
| Price | $249.99 / £249.99 | $199.99 / £149.99 / AU$255 | $549.99 / £369 |
| Room coverage | Up to 650sq ft / 60sq m | Up to 328sq ft / 100sq m | Up to 89sq ft / 27sq m |
| Filters | DebrisDefence / Medium Particle / Activated Carbon / NanoSeal HEPA | Pre-filter, HEPA and carbon | HEPA and carbon |
| Oscillation | No | Yes 360 degrees | Yes up to 350 degrees |
| Fan speeds | Auto, 1 – 4 | Auto, 1 – 4 | Auto, 1 – 10 |
| Dimensions | 9 x 10 x 15 inches / 237 x 266 x 385mm | 8.7 x 14.2 inches / 220 x 360mm | 41 x 7.8 x 8.6 inches / 1050 x 204 x 220mm |
| Controls | LED touch display (remote control sold separately) | LED touch display, app or Amazon Alexa, Google Assistant | Remote control |
How I tested the Shark NeverChange
- I used the Shark NeverChange for one week
- I tested it in multiple environments
- I observed its reaction to dust and aerosols
I tested the Shark NeverChange in the TechRadar reviews office and music testing room, as well as in my bedroom and kitchen at home.
I monitored how effectively it detected and purified airborne contaminants such as dust and dry shampoo, and how well it tackled food odors when using the microwave.
I left the NeverChange running in my bedroom overnight to assess its noise levels, using a decibel meter on my phone to gauge levels, and evaluated its controls and how easy it was to change the filter.
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